Wednesday

October 7, 2015
Posted by **AISHWARYA KATRE** on Thursday, December 22, 2011 at 1:12pm.

- MATHS -
**Steve**, Thursday, December 22, 2011 at 4:05pm|sinθ| = 1/2 means that

sinθ = 1/2 or sinθ = -1/2

sinθ = 1/2 in 1st and 2nd quadrants.

sinθ = -1/2 in 3rd and 4th quadrants

So, θ = nπ ± π/6 for any integer n.